Operation and storing control unit of electronic computers



FIG. 1 is a top, front and right side perspective view of an operation and storing control unit of electronic computers showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, front and right side perspective view thereof with the CD case being pulled out. 

The ornamental design for an operation and storing control unit of electronic computers, as shown and described. 